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Maths Puzzle
Numerical Ability
a line passes through a(1,-3) and b(2,7)
write the equation of a line perpendicular to a. how would you go about solving this problem?
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book Other Question
determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. factor the trinomial. x^-5x
practice 2.2
Can you help me solve for x .thank you
3/7 x =15